Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Barcelona (96% of total searches to Catalonia). The next most popular destinations are Tossa de Mar (1%) and Lloret de Mar (1%). Searches for hotels in Sitges (1%) are also popular.
KAYAK users have found double rooms in Catalonia for as cheap as $24 (Barcelona) in the last 3 days. The average price is $245.